/* ------------------------------- cv.h ------------------------------- */
+PERL_STATIC_INLINE GV *
+S_CvGV(pTHX_ CV *sv)
+{
+ return CvNAMED(sv)
+ ? Perl_cvgv_from_hek(aTHX_ sv)
+ : ((XPVCV*)MUTABLE_PTR(SvANY(sv)))->xcv_gv_u.xcv_gv;
+}
+
PERL_STATIC_INLINE I32 *
S_CvDEPTHp(const CV * const sv)
{
}
#endif
+/* ------------------------------- pad.h ------------------------------ */
+
+#if defined(PERL_IN_PAD_C) || defined(PERL_IN_OP_C)
+PERL_STATIC_INLINE bool
+PadnameIN_SCOPE(const PADNAME * const pn, const U32 seq)
+{
+ /* is seq within the range _LOW to _HIGH ?
+ * This is complicated by the fact that PL_cop_seqmax
+ * may have wrapped around at some point */
+ if (COP_SEQ_RANGE_LOW(pn) == PERL_PADSEQ_INTRO)
+ return FALSE; /* not yet introduced */
+
+ if (COP_SEQ_RANGE_HIGH(pn) == PERL_PADSEQ_INTRO) {
+ /* in compiling scope */
+ if (
+ (seq > COP_SEQ_RANGE_LOW(pn))
+ ? (seq - COP_SEQ_RANGE_LOW(pn) < (U32_MAX >> 1))
+ : (COP_SEQ_RANGE_LOW(pn) - seq > (U32_MAX >> 1))
+ )
+ return TRUE;
+ }
+ else if (
+ (COP_SEQ_RANGE_LOW(pn) > COP_SEQ_RANGE_HIGH(pn))
+ ?
+ ( seq > COP_SEQ_RANGE_LOW(pn)
+ || seq <= COP_SEQ_RANGE_HIGH(pn))
+
+ : ( seq > COP_SEQ_RANGE_LOW(pn)
+ && seq <= COP_SEQ_RANGE_HIGH(pn))
+ )
+ return TRUE;
+ return FALSE;
+}
+#endif
+
/* ----------------------------- regexp.h ----------------------------- */
PERL_STATIC_INLINE struct regexp *
}
PERL_STATIC_INLINE U32
-S_SvPADTMP_on(SV *sv)
-{
- assert(!(SvFLAGS(sv) & SVs_PADMY));
- return SvFLAGS(sv) |= SVs_PADTMP;
-}
-PERL_STATIC_INLINE U32
-S_SvPADTMP_off(SV *sv)
-{
- assert(!(SvFLAGS(sv) & SVs_PADMY));
- return SvFLAGS(sv) &= ~SVs_PADTMP;
-}
-PERL_STATIC_INLINE U32
S_SvPADSTALE_on(SV *sv)
{
- assert(SvFLAGS(sv) & SVs_PADMY);
+ assert(!(SvFLAGS(sv) & SVs_PADTMP));
return SvFLAGS(sv) |= SVs_PADSTALE;
}
PERL_STATIC_INLINE U32
S_SvPADSTALE_off(SV *sv)
{
- assert(SvFLAGS(sv) & SVs_PADMY);
+ assert(!(SvFLAGS(sv) & SVs_PADTMP));
return SvFLAGS(sv) &= ~SVs_PADSTALE;
}
#if defined(PERL_CORE) || defined (PERL_EXT)
/* ------------------------------- handy.h ------------------------------- */
/* saves machine code for a common noreturn idiom typically used in Newx*() */
-#ifdef __clang__
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunused-function"
+#ifdef GCC_DIAG_PRAGMA
+GCC_DIAG_IGNORE(-Wunused-function) /* Intentionally left semicolonless. */
#endif
static void
S_croak_memory_wrap(void)
{
Perl_croak_nocontext("%s",PL_memory_wrap);
}
-#ifdef __clang__
-#pragma clang diagnostic pop
-#endif
-
-#ifdef BOOTSTRAP_CHARSET
-static bool
-S_bootstrap_ctype(U8 character, UV classnum, bool full_Latin1)
-{
- /* See comments in handy.h. This is placed in this file primarily to avoid
- * having to have an entry for it in embed.fnc */
-
- dTHX;
-
- if (! full_Latin1 && ! isASCII(character)) {
- return FALSE;
- }
-
- switch (classnum) {
- case _CC_ALPHANUMERIC: return isALPHANUMERIC_L1(character);
- case _CC_ALPHA: return isALPHA_L1(character);
- case _CC_ASCII: return isASCII_L1(character);
- case _CC_BLANK: return isBLANK_L1(character);
- case _CC_CASED: return isLOWER_L1(character)
- || isUPPER_L1(character);
- case _CC_CNTRL: return isCNTRL_L1(character);
- case _CC_DIGIT: return isDIGIT_L1(character);
- case _CC_GRAPH: return isGRAPH_L1(character);
- case _CC_LOWER: return isLOWER_L1(character);
- case _CC_PRINT: return isPRINT_L1(character);
- case _CC_PSXSPC: return isPSXSPC_L1(character);
- case _CC_PUNCT: return isPUNCT_L1(character);
- case _CC_SPACE: return isSPACE_L1(character);
- case _CC_UPPER: return isUPPER_L1(character);
- case _CC_WORDCHAR: return isWORDCHAR_L1(character);
- case _CC_XDIGIT: return isXDIGIT_L1(character);
- case _CC_VERTSPACE: return isSPACE_L1(character) && ! isBLANK_L1(character);
- case _CC_IDFIRST: return isIDFIRST_L1(character);
- case _CC_QUOTEMETA: return _isQUOTEMETA(character);
- case _CC_CHARNAME_CONT: return isCHARNAME_CONT(character);
- case _CC_NONLATIN1_FOLD: return _HAS_NONLATIN1_FOLD_CLOSURE_ONLY_FOR_USE_BY_REGCOMP_DOT_C_AND_REGEXEC_DOT_C(character);
- case _CC_NON_FINAL_FOLD: return _IS_NON_FINAL_FOLD_ONLY_FOR_USE_BY_REGCOMP_DOT_C(character);
- case _CC_IS_IN_SOME_FOLD: return _IS_IN_SOME_FOLD_ONLY_FOR_USE_BY_REGCOMP_DOT_C(character);
- case _CC_BACKSLASH_FOO_LBRACE_IS_META: return 0;
-
-
- default: break;
- }
- Perl_croak(aTHX_ "panic: bootstrap_ctype() has an unexpected character class '%"UVxf"'", classnum);
-}
+#ifdef GCC_DIAG_PRAGMA
+GCC_DIAG_RESTORE /* Intentionally left semicolonless. */
#endif
/* ------------------------------- utf8.h ------------------------------- */
}
}
-/* These two exist only to replace the macros they formerly were so that their
- * use can be deprecated */
+/*
-PERL_STATIC_INLINE bool
-S_isIDFIRST_lazy(pTHX_ const char* p)
-{
- PERL_ARGS_ASSERT_ISIDFIRST_LAZY;
+A helper function for the macro isUTF8_CHAR(), which should be used instead of
+this function. The macro will handle smaller code points directly saving time,
+using this function as a fall-back for higher code points.
- return isIDFIRST_lazy_if(p,1);
-}
+Tests if the first bytes of string C<s> form a valid UTF-8 character. 0 is
+returned if the bytes starting at C<s> up to but not including C<e> do not form a
+complete well-formed UTF-8 character; otherwise the number of bytes in the
+character is returned.
-PERL_STATIC_INLINE bool
-S_isALNUM_lazy(pTHX_ const char* p)
+Note that an INVARIANT (i.e. ASCII on non-EBCDIC) character is a valid UTF-8
+character.
+
+=cut */
+PERL_STATIC_INLINE STRLEN
+S__is_utf8_char_slow(const U8 *s, const U8 *e)
{
- PERL_ARGS_ASSERT_ISALNUM_LAZY;
+ dTHX; /* The function called below requires thread context */
+
+ STRLEN actual_len;
- return isALNUM_lazy_if(p,1);
+ PERL_ARGS_ASSERT__IS_UTF8_CHAR_SLOW;
+
+ assert(e >= s);
+ utf8n_to_uvchr(s, e - s, &actual_len, UTF8_CHECK_ONLY);
+
+ return (actual_len == (STRLEN) -1) ? 0 : actual_len;
}
/* ------------------------------- perl.h ----------------------------- */
/*
+=head1 Miscellaneous Functions
+
=for apidoc AiR|bool|is_safe_syscall|const char *pv|STRLEN len|const char *what|const char *op_name
-Test that the given C<pv> doesn't contain any internal NUL characters.
-If it does, set C<errno> to ENOENT, optionally warn, and return FALSE.
+Test that the given C<pv> doesn't contain any internal C<NUL> characters.
+If it does, set C<errno> to C<ENOENT>, optionally warn, and return FALSE.
Return TRUE if the name is safe.
-Used by the IS_SAFE_SYSCALL() macro.
+Used by the C<IS_SAFE_SYSCALL()> macro.
=cut
*/
PERL_ARGS_ASSERT_IS_SAFE_SYSCALL;
- if (pv && len > 1) {
+ if (len > 1) {
char *null_at;
if (UNLIKELY((null_at = (char *)memchr(pv, 0, len-1)) != NULL)) {
SETERRNO(ENOENT, LIB_INVARG);
}
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
+
+Return true if the supplied filename has a newline character
+immediately before the final NUL.
+
+My original look at this incorrectly used the len from SvPV(), but
+that's incorrect, since we allow for a NUL in pv[len-1].
+
+So instead, strlen() and work from there.
+
+This allow for the user reading a filename, forgetting to chomp it,
+then calling:
+
+ open my $foo, "$file\0";
+
+*/
+
+#ifdef PERL_CORE
+
+PERL_STATIC_INLINE bool
+S_should_warn_nl(const char *pv) {
+ STRLEN len;
+
+ PERL_ARGS_ASSERT_SHOULD_WARN_NL;
+
+ len = strlen(pv);
+
+ return len > 0 && pv[len-1] == '\n';
+}
+
+#endif
+
+/* ------------------ pp.c, regcomp.c, toke.c, universal.c ------------ */
+
+#define MAX_CHARSET_NAME_LENGTH 2
+
+PERL_STATIC_INLINE const char *
+get_regex_charset_name(const U32 flags, STRLEN* const lenp)
+{
+ /* Returns a string that corresponds to the name of the regex character set
+ * given by 'flags', and *lenp is set the length of that string, which
+ * cannot exceed MAX_CHARSET_NAME_LENGTH characters */
+
+ *lenp = 1;
+ switch (get_regex_charset(flags)) {
+ case REGEX_DEPENDS_CHARSET: return DEPENDS_PAT_MODS;
+ case REGEX_LOCALE_CHARSET: return LOCALE_PAT_MODS;
+ case REGEX_UNICODE_CHARSET: return UNICODE_PAT_MODS;
+ case REGEX_ASCII_RESTRICTED_CHARSET: return ASCII_RESTRICT_PAT_MODS;
+ case REGEX_ASCII_MORE_RESTRICTED_CHARSET:
+ *lenp = 2;
+ return ASCII_MORE_RESTRICT_PAT_MODS;
+ }
+ /* The NOT_REACHED; hides an assert() which has a rather complex
+ * definition in perl.h. */
+ NOT_REACHED; /* NOTREACHED */
+ return "?"; /* Unknown */
+}
+
+/*
+
+Return false if any get magic is on the SV other than taint magic.
+
+*/
+
+PERL_STATIC_INLINE bool
+S_sv_only_taint_gmagic(SV *sv) {
+ MAGIC *mg = SvMAGIC(sv);
+
+ PERL_ARGS_ASSERT_SV_ONLY_TAINT_GMAGIC;
+
+ while (mg) {
+ if (mg->mg_type != PERL_MAGIC_taint
+ && !(mg->mg_flags & MGf_GSKIP)
+ && mg->mg_virtual->svt_get) {
+ return FALSE;
+ }
+ mg = mg->mg_moremagic;
+ }
+
+ return TRUE;
+}
+
+/* ------------------ cop.h ------------------------------------------- */
+
+
+/* Enter a block. Push a new base context and return its address. */
+
+PERL_STATIC_INLINE PERL_CONTEXT *
+S_cx_pushblock(pTHX_ U8 type, U8 gimme, SV** sp, I32 saveix)
+{
+ PERL_CONTEXT * cx;
+
+ PERL_ARGS_ASSERT_CX_PUSHBLOCK;
+
+ CXINC;
+ cx = CX_CUR();
+ cx->cx_type = type;
+ cx->blk_gimme = gimme;
+ cx->blk_oldsaveix = saveix;
+ cx->blk_oldsp = sp - PL_stack_base;
+ cx->blk_oldcop = PL_curcop;
+ cx->blk_oldmarksp = PL_markstack_ptr - PL_markstack;
+ cx->blk_oldscopesp = PL_scopestack_ix;
+ cx->blk_oldpm = PL_curpm;
+ cx->cx_u.cx_blk.blku_old_tmpsfloor = PL_tmps_floor;
+
+ PL_tmps_floor = PL_tmps_ix;
+ CX_DEBUG(cx, "PUSH");
+ return cx;
+}
+
+
+/* Exit a block (RETURN and LAST). */
+
+PERL_STATIC_INLINE void
+S_cx_popblock(pTHX_ PERL_CONTEXT *cx)
+{
+ PERL_ARGS_ASSERT_CX_POPBLOCK;
+
+ CX_DEBUG(cx, "POP");
+ /* these 3 are common to cx_popblock and cx_topblock */
+ PL_markstack_ptr = PL_markstack + cx->blk_oldmarksp;
+ PL_scopestack_ix = cx->blk_oldscopesp;
+ PL_curpm = cx->blk_oldpm;
+
+ /* LEAVE_SCOPE() should have made this true. /(?{})/ cheats
+ * and leaves a CX entry lying around for repeated use, so
+ * skip for multicall */ \
+ assert( (CxTYPE(cx) == CXt_SUB && CxMULTICALL(cx))
+ || PL_savestack_ix == cx->blk_oldsaveix);
+ PL_curcop = cx->blk_oldcop;
+ PL_tmps_floor = cx->cx_u.cx_blk.blku_old_tmpsfloor;
+}
+
+/* Continue a block elsewhere (e.g. NEXT, REDO, GOTO).
+ * Whereas cx_popblock() restores the state to the point just before
+ * cx_pushblock() was called, cx_topblock() restores it to the point just
+ * *after* cx_pushblock() was called. */
+
+PERL_STATIC_INLINE void
+S_cx_topblock(pTHX_ PERL_CONTEXT *cx)
+{
+ PERL_ARGS_ASSERT_CX_TOPBLOCK;
+
+ CX_DEBUG(cx, "TOP");
+ /* these 3 are common to cx_popblock and cx_topblock */
+ PL_markstack_ptr = PL_markstack + cx->blk_oldmarksp;
+ PL_scopestack_ix = cx->blk_oldscopesp;
+ PL_curpm = cx->blk_oldpm;
+
+ PL_stack_sp = PL_stack_base + cx->blk_oldsp;
+}
+
+
+/*
* ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff